20836984

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4483}}^1$

素因数の和:4579

約数の個数: 32

約数和(自身を含む): 45198720

約数和(自身を除く): 24361736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4483, 4648, 8966, 17932, 31381, 35864, 62762, 125524, 251048, 372089, 744178, 1488356, 2604623, 2976712, 5209246, 10418492, 20836984]

約数ペア:

[(1, 20836984), (2, 10418492), (4, 5209246), (7, 2976712), (8, 2604623), (14, 1488356), (28, 744178), (56, 372089), (83, 251048), (166, 125524), (332, 62762), (581, 35864), (664, 31381), (1162, 17932), (2324, 8966), (4483, 4648)]